public void CanPrintShaderSource()
{
var parser = TestUtils.SetupParser(TestShaderSources.BigShaderText);
var context = parser.external_declaration_list();
var builder = new AstBuilderVisitor();
var tree = builder.Visit(context);
var subject = new AstPrinterVisitor();
AstPrinterContext printerContext = new AstPrinterContext();
var result = subject.Print(tree);
}
public void AstBuilding_Invalid_NotImplemented()
{
var path = Path.Combine("tests", "ast-building", "invalid", "not-implemented");
var astBuilder = new AstBuilderVisitor();
foreach (var testFile in Directory.GetFiles(path, "*.js", SearchOption.AllDirectories))
{
var parser = Program.CreateParser(File.ReadAllText(testFile));
var parseTree = Program.TryToBuildParseTree(parser);
Assert.ThrowsException <NotImplementedException>(() => astBuilder.Visit(parseTree));
}
}
public void CanParseShader()
{
var parser = TestUtils.SetupParser(TestShaderSources.BigShaderText);
var context = parser.external_declaration_list();
var subject = new AstBuilderVisitor();
var result = subject.Visit(context);
Assert.IsTrue(result is Root);
var root = result as Root;
}
public void AstBuilding_Valid()
{
var path = Path.Combine("tests", "ast-building", "valid");
var astBuilder = new AstBuilderVisitor();
var asciiPrinter = new AsciiTreeBuilderVisitor();
foreach (var testFile in Directory.GetFiles(path, "*.js", SearchOption.AllDirectories))
{
var parser = Program.CreateParser(File.ReadAllText(testFile));
asciiPrinter.Visit(astBuilder.Visit(Program.TryToBuildParseTree(parser)));
var expected = File.ReadAllText(Path.ChangeExtension(testFile, ".tree.ascii"));
Assert.AreEqual(asciiPrinter.GetStringTree(), expected);
asciiPrinter.ClearTree();
}
}
public void CanParsePrecisionDeclarationInRoot()
{
var parser = TestUtils.SetupParser(this.PrecisionDeclarationInput);
var context = parser.external_declaration_list();
var subject = new AstBuilderVisitor();
var result = subject.Visit(context);
Assert.IsTrue(result is Root);
var root = result as Root;
Assert.AreEqual(1, root.Declarations.Count);
var precDeclaration = root.Declarations[0] as PrecisionDeclaration;
var typeSpec = precDeclaration.Type as TypeNameSpecifier;
Assert.IsNotNull(typeSpec);
Assert.AreEqual("float", typeSpec.Identifier.Name);
Assert.AreEqual(PrecisionQualifier.HighP, precDeclaration.PrecisionQualifier);
}